微弧氧化WE43镁合金人工髋关节摩擦磨损行为研究

doi:10.3976/j.issn.1002-4026.2016.01.006

Abstract

Abstract:

We performed microarc oxidation for artificial hip joints with WE43 magnesium alloy in sodium silicate system. We employed scanning electron microscopy (SEM) to observe the microstructure of microarc oxidation coating and then conducted friction and wear test to investigate its wear mechanism.Results show that uniform and dense oxidation coating can be acquired after microarc oxidation.The coating has a certain friction reduction and anticyclic fatigue capabilities, so its antiwear effect is better.The wear mechanism of microarc oxidation of WE43 magnesium alloy is only abrasive wear for light and medium loads. However,spalling wear and abrasive wear coexist for heavy loads.

Key words: magnesium alloy, artificial hip joint, microarc oxidation, friction and wear

CLC Number:

TG174.451

GAO Wen, WANG Shouren, ZHOU Jixue, QIAO Yang. Friction and wear research of artificial hip joint with microarc oxidation WE43 magnesium alloy[J].SHANDONG SCIENCE, 2016, 29(1): 33-38.

References

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Friction and wear research of artificial hip joint with microarc oxidation WE43 magnesium alloy

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